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Vivid Racing Gear 
QA1 GD507-10350C Pro Coil System
Upgrade your ride with the QA1 GD507-10350C Pro Coil System, designed specifically for 1971-1996 Impalas and Full Size GM vehicles. Whether you drive a Full Size Chevy, Buick, Oldsmobile, or Pontiac, this system offers an exceptional blend of performance and adjustability.
Key Features
- Fully Adjustable Ride Height: Tailor your vehicle's stance to your preference with a fully threaded body that allows for precise height adjustments.
- Valving Control: Customize your driving experience by selecting the ideal spring rate and adjusting the valving to match your style, whether it's casual driving or competitive racing.
- Lightweight High Travel Springs: Made in the USA, these springs feature fewer coils and a smaller wire diameter, resulting in increased travel and reduced unsprung weight for enhanced responsiveness.
- Multiple Adjustability Options: Choose from independent compression and rebound double adjustable, simultaneous compression and rebound adjustable, or drag "R" Series adjustable configurations.
- Easy Installation: Designed for a straightforward, bolt-in installation, making it accessible for both enthusiasts and professionals.
- Durability: Each shock is 100% dyno tested and serialized, ensuring reliability and performance. They are also serviceable and rebuildable by QA1 authorized service centers.
Specifications
- Compressed Length: 9.63 inches
- Extended Length: 14.5 inches
- Spring Size: 10 inches
- Spring Rate: 350 lbs
- Application: Suitable for drag racing, street performance, autocross, road racing, and street rod applications
- Sold In: Pairs
Fitment
The GD507-10350C Pro Coil System is compatible with a wide range of Full Size GM vehicles from 1971 to 1996, making it a versatile choice for enthusiasts looking to enhance their vehicle's handling and ride quality.
Customer Feedback
Owners of the GD507-10350C have praised its performance, noting significant improvements in ride quality and handling. Many appreciate the ease of installation and the ability to fine-tune settings to match their driving style. The lightweight design has also been highlighted for reducing vehicle weight without sacrificing performance.
Other Part Numbers:
QA1 #qapGD507-10350C
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.
Suspension ExpertsThe company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further.
State-of-the-Art FacilityThe company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.
QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.
Purchase QA1 Products At Vivid RacingIf you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.
| Sale price | None |
| Wholesale price | $917.99 |
| Shipping |
Weight: 28.50 Length: 25 Width: 10 Height: 6 |
| Product Added At | Monday 23 December, 2024 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Yes |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $777.96 | $1,016.94 | ? | $917.95 | ? | 2025-07-11 10:45:07 |
